[PATCH v7 32/36] xen/x86: Remove SME feature in PV guests

[Tom Lendacky]

Xen does not currently support SME for PV guests. Clear the SME cpu
capability in order to avoid any ambiguity.

Signed-off-by: Tom Lendacky <thomas.lenda...@amd.com>
---
 arch/x86/xen/enlighten_pv.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index f33eef4..e6ecf42 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -294,6 +294,7 @@ static void __init xen_init_capabilities(void)
        setup_clear_cpu_cap(X86_FEATURE_MTRR);
        setup_clear_cpu_cap(X86_FEATURE_ACC);
        setup_clear_cpu_cap(X86_FEATURE_X2APIC);
+       setup_clear_cpu_cap(X86_FEATURE_SME);
 
        if (!xen_initial_domain())
                setup_clear_cpu_cap(X86_FEATURE_ACPI);